Question 1

1. Which of the different types of nerves or neurons are responsible for carrying the

impulse from the sense organs to the spinal cord or brain?

Accepted Answer

D. sensory neuron

Answer

C. motor neuron

Answer

B. unicellular neuron

Answer

A. interneuron

Question 2

2. Which of the following is the main organ ofthe nervous system?

Accepted Answer

A. brain

Answer

D. sensory neurons

Answer

C. motor neurons

Answer

B. spinal cord

Question 3

3. Blood is the liquid part of the circulatory system. Which is the main work of the blood?

Accepted Answer

A. It supplies nutrients and air to the body cells with the materials they need for

nourishment and repair.

Answer

D. It digests food needed by the body.

Answer

C. It controls all the body’s activity andemotions.

Answer

B. It serves as a framework and allows movementof the body.

Question 4

4. The main function of the human heart is topump blood throughout the body. Which of

itspart pumps deoxygenated blood to the heart?

Accepted Answer

D. right ventricle

Answer

C. left ventricle

Answer

A. right atrium

Answer

B. left atrium

Question 5

5. Nostrils are the opening into the nasal passages that are lined with hairs called cilia.

Why are cilia important?

Accepted Answer

A. It filters the dust present in the air.

Answer

B. It dries up thedust present in the air

Answer

C. It moistens thedust present in the air.

Answer

D. It warms up the dust present in the

air.

Question 6

6. Our throat is divided into two separate tubes, the windpipe and food pipe. What

prevent food from entering the windpipe?

Accepted Answer

A. epiglottis

Answer

B. tongue

Answer

D. uvula

Answer

C. trachea

Question 7

7. Digestive system breaks down food which serves as a good source of energy needed

by our body. Which are the correct pathways of food in the digestive system?

Accepted Answer

A. mouth—esophagus—stomach—smallintestines—large intestine—rectum—anus

Answer

C.esophagus—mouth—large intestine—small intestines—anus—rectum

Answer

B. mouth—esophagus—stomach—smallintestines—anus—rectum

Answer

D. esophagus—mouth—smallintestines—anus—rectum--large intestine

Question 8

8. How does the skin regulate body temperature in the normal condition?

Accepted Answer

B. It increases sweat production

Answer

C. It produces vitamin

Answer

A. It retains water

Answer

D. It regulates fat content in the skin.

Question 9

9. What do you call the outermost layer of the human skin that protects the body?

Accepted Answer

B. epidermis

Answer

C. hair follicles

Answer

A. dermis

Answer

D. hypodermis

Question 10

10. What is the function of the ribcage?

Accepted Answer

C. It protects the heart and lungs.

Answer

D. It protects and covers the lungs.

Answer

A. It protects the stomach.

Answer

B. It protects the spinal cord.

Question 11

11. How does the skin protect muscles and bones?

Accepted Answer

A. It covers the muscles and the bones.

Answer

B. It absorbs the excess fats of muscles.

Answer

C. It helps the bones and muscles to move.

Answer

D. It provides nutrients to bones and muscles.

Question 12

12. Muscles give the body shape and mass. Which of the following is another function of the muscles?

Accepted Answer

D. Muscles protect and coordinate with bones formovement.

Answer

B. The nerves are held by the muscles for protection.

Answer

C. Muscles work independently to move parts of the body.

Answer

A. Smooth muscles hold food in the digestive system

Question 13

13. Which of the following activities does not show that a message is being carried by

the nerve cells to the muscles?

Accepted Answer

D. watching news in the television

Answer

A. sweeping the yard

Answer

B. mopping the floor

Answer

C. washing the dishes

Question 14

14. What does the skin do as the first line of defense of the body?

Accepted Answer

D. It makes us feel the pain and pressure ofthings around us.

Answer

A. It gives shape to the body.

Answer

C. It acts as protection from the hot and cold weather.

Answer

B. It is a source of vitamin D for bones

Question 15

15. What bodily reaction maintains our body temperature when the environment is hot?

Accepted Answer

D. The brain sends a message to the skin causing the muscles to contract and

cool the body.

Answer

C. Heat receptors in the skin send a message to the brain which results to

sweating.

Answer

A. The muscles in the skin contact and send messages to the brain.

Answer

B. The skin starts sweating, releasing water that evaporates and cools the skin.

Question 16

16. How does the nervous system help the circulatory system work?

Accepted Answer

A. The nerves help the circulatory system to distribute the nutrients to all parts

of the body.

Answer

B. The heart pumps continuously because the nervous system supply blood for

the heart to work hard.

Answer

C. The nervous system stops the movements of other body systems while the

circulatory system is working.

Answer

D. The brain regulates the heartbeat and blood pressure when the circulatory

system is doing tiresome activities.

Question 17

17. Which activity shows how the digestive and circulatory system work together?

Accepted Answer

D. The circulatory system distributes food nutrients from the small intestine.

Answer

C. The circulatory system produces blood that will dissolve the food.

Answer

B. Both systems make digestion easier and faster.

Answer

A. The circulatory system makes digestion faster.

Question 18

18. Why is the nervous system important?

Accepted Answer

D. It helps transport the nutrients to the different parts of the body.

Answer

A. It helps us to inhale and exhale.

Answer

C. It enables the body to coordinate for bodily activities.

Answer

B. It serves as a framework of the body.

Question 19

19. How does the integumentary system work with the nervous system?

Accepted Answer

D. Nervous system sends messages to the skin ofwhat it feels.

Answer

B. Nervous system makes the skin, hair, nails and nails strong

Answer

A. Both systems are responsible for healing wounds.

Answer

C. Integumentary system acts as protection for the nerves.

Question 20

20. Which shows how the nervous system works with the musculoskeletal system?

Accepted Answer

D. The motor nerves send signals to the bones and muscles for specific movement

Answer

C. The nervous system helps the bones and muscles to be attached to one

another.

Answer

B. Bones and muscles cannot stand alone without the spinal cord.

Answer

A. Bones and muscles are attached to each other by the nerves.

Question 21

21. Birds have strong beak and sharp claws that can be used for hunting and eating

their prey. Which group of birds can do this way in hunting their prey?

Accepted Answer

B. eagle and hawk

Answer

A. chicken and dove

Answer

C. ostrich and parrot

Answer

D. duck and goose

Question 22

22. They have gills that let them breathe underwater. They also have jaws, fins, and

scales. Which of the following vertebrates possess thesecharacteristics.

Accepted Answer

B. fishes

Answer

C. mammals

Answer

A. birds

Answer

D. reptiles

Question 23

23. Reptiles body temperature varies on their environment. Which group of animals is

classified as reptiles?

Accepted Answer

B. crocodile, lizard, turtle

Answer

A. earthworm, spider, salamander

Answer

D. tarsier, koala, deer

Answer

C. mudfish, chicken, bug

Question 24

24. Birds are vertebrates that have wings which they use to fly. But not all birds can fly.

Whichof the following vertebrates are flightless birds?

Accepted Answer

A. penguin and ostrich

Answer

C. parrot and dove

Answer

D. bat and crow

Answer

B. eagle and hawk

Question 25

25. Reptiles have lungs that can be used for breathing on land. Which of the following

vertebrate is a reptile?

Accepted Answer

A. alligator

Answer

D. pig

Answer

C. frog

Answer

B. dragonfly

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